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    41 

    42 #ifndef DEMO_ITEM_ANIMATION_H

    43 #define DEMO_ITEM_ANIMATION_H

    44 

    45 #include <QtCore>

    46 #include <QtGui>

    47 

    48 class DemoItem;

    49 

    50 class DemoItemAnimation : public QGraphicsItemAnimation

    51 {

    52     Q_OBJECT

    53 

    54 public:

    55     enum INOROUT {ANIM_IN, ANIM_OUT, ANIM_UNSPECIFIED};

    56 

    57     DemoItemAnimation(DemoItem *item, INOROUT inOrOut = ANIM_UNSPECIFIED);

    58     virtual ~DemoItemAnimation();

    59 

    60     virtual void play(bool fromStart = true, bool force = false);

    61     virtual void playReverse();

    62     virtual void stop(bool reset = true);

    63     virtual void setRepeat(int nr = 0);

    64 

    65     void setDuration(int duration);

    66     void setDuration(float duration){ setDuration(int(duration)); };

    67     void setOpacityAt0(qreal opacity);

    68     void setOpacityAt1(qreal opacity);

    69     void setOpacity(qreal step);

    70     void setCurrentTime(int ms);

    71     void setStartPos(const QPointF &pos);

    72     bool notOwnerOfItem();

    73 

    74     bool running();

    75     bool runningOrItemLocked();

    76     void lockItem(bool state);

    77     void prepare();

    78 

    79     DemoItem *demoItem();

    80 

    81     virtual void afterAnimationStep(qreal step); // overridden

    82 

    83     QTimeLine *timeline;

    84     qreal opacityAt0;

    85     qreal opacityAt1;

    86     int startDelay;

    87     QPointF startPos;

    88     bool hideOnFinished;

    89     bool moveOnPlay;

    90     bool forcePlay;

    91     bool fromStart;

    92     INOROUT inOrOut;

    93 

    94 private slots:

    95     virtual void playWithoutDelay();

    96 };

    97 

    98 #endif // DEMO_ITEM_ANIMATION_H

    99 

   100 

   101